| Issue |
MATEC Web Conf.
Volume 97, 2017
Engineering Technology International Conference 2016 (ETIC 2016)
|
|
|---|---|---|
| Article Number | 01060 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/matecconf/20179701060 | |
| Published online | 01 February 2017 | |
Effect of Moisture Sorption Behavior on Color Quality of Cassia Alata Leaves
Faculty of Engineering Technology, Universiti Malaysia Perlis (UniMAP), Campus of UniCITI Alam Sungai Chuchuh, Padang Besar, 02100 Perlis, Malaysia
* Corresponding author: norawanis@unimap.edu.my
The Cassia alata leaf is widely used for the medical uses as it is beneficial for treatment of skin diseases such as purities, eczema and allergy. The moisture sorption behavior included desorption and adsorption of C. alata leaves were investigated using standard static gravimetric method. The sorption isotherm was obtained at ambient temperature 24 °C and with the equilibrium relative humidity (ERH) range from 11.3 to 84.3 %. The equilibrium moisture content (EMC) of C. alata increased from 8.67 to 28.50 g water/dry matter with increasing ERH during desorption. It is similar to adsorption which the EMC increased from 21.28 to 32.85 g water/dry matter. The color quality of C. alata leaves were lower with increasing the ERH.
© The Authors, published by EDP Sciences, 2017
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